Mercedes W204 Fog Light Lamp Left N/S Front Bumper Lighting Unit A2048202156

Mercedes W204 Fog Light Lamp Left N/S Front Bumper Lighting Unit is an original front lighting component designed for installation on the left side of the bumper. This used fog light of this class ensures a consistent fit with the factory lighting system and stable operating parameters in difficult road conditions. It is a practical solution for drivers who want to restore full lighting functionality while maintaining factory beam geometry and body compatibility.

Specifications and technical data

• SKU: A2048202156
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048202156
• Substitutable numbers: A2048202156, A 204 820 21 56
• Location on the vehicle: Front, Left
• Category: Fog Light Assemblies

Purpose and function in the vehicle

The presented lamp belongs to the Fog lights category and is designed to operate in the front of the vehicle, on the left side. Its task is to improve visibility in conditions of limited air transparency – during fog, heavy rain, or snow – by providing low, wide illumination of the road lane without excessive light reflection from suspended particles in the air.

The placement in the lower bumper zone and the appropriately shaped halogen reflector allow for:

• better illumination of the roadside and the edge line of the road,
• increased vehicle visibility for other road users,
• reduction of glare for the driver in dense fog.

Compatibility and fit for Mercedes W204

The lamp has been developed specifically for the Mercedes W204 platform, which means maintaining the correct housing shape, mounting points, and geometry relative to the bumper and air intake grille. As a result, the component fits the factory mounts without the need for structural modifications or the use of additional adapters.

The original Mercedes origin translates into:

• stylistic consistency with other lighting elements,
• preservation of the light line intended by the manufacturer,
• easier integration with the vehicle's existing electrical installation.

Technical characteristics of the front halogen

As a halogen fog light, the element uses a traditional light source with stable parameters, working well with the factory electrical installation. The lamp construction is optimized for resistance to typical operational loads in the front of the vehicle, such as vibrations, temperature changes, or exposure to water and road debris.

The placement on the vehicle in the Front, Left zone ensures proper completion of the right fog light, which is important both from a safety perspective and for compliance with regulations regarding the vehicle's exterior lighting.

Condition, application, and benefits of installation

The element is offered as a used fog light, which is a cost-effective solution while maintaining the manufacturer's original specifications. This type of component is particularly recommended for accident repairs, replacement of a damaged lens or reflector, and restoring full efficiency of the lighting system in cars used on a daily basis.

Choosing an original front halogen for the Mercedes W204 allows you to:

• maintain a uniform appearance of the front bodywork,
• preserve correct light alignment and distribution,
• minimize the risk of assembly and fitment problems.

If you are planning a comprehensive repair or upgrade of the front lighting zone in your Mercedes and need other elements from the same group, such as additional halogens, cornering lights, or complete lighting modules, check the available parts in the Mercedes Fog lights category.

More about choosing used body parts

When selecting used lighting and body components, it is worth paying attention to their origin and compliance with factory specifications to avoid problems with assembly and aesthetics. Additional information on how to effectively use used body parts in bodywork repairs can be found in the article Replacing body parts with used ones – can salvaged body parts look like new?.